docs: update CHANGELOG.md for v0.0.6 [skip ci]

Author: HsiangNianian

CHANGELOG.md

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+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v0.0.6] - 2024-08-15
+### Chores
+- [`534a58c`](https://github.com/HydroRoll-Team/faq/commit/534a58ce13a07a1e07860c71ccda0fd4f63791b5) - **shiki**: 更新引言内容 *(commit by [@HsiangNianian](https://github.com/HsiangNianian))*
+
+[v0.0.6]: https://github.com/HydroRoll-Team/faq/compare/v0.0.5...v0.0.6